JP2000017765A - Pent roof work execution method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily position a pent roof unit, through it is relatively large and heavy, and facilitate execution of the works of installing the pent roof unit by less workers. SOLUTION: A pent roof unit is inserted at its back opening portion 4 into a plurality of cantilever beams 2 protruded from a building mainbody 1 an and a plurality of supporting frames 6 built in the pent roof unit are inserted at both ends between upper and lower flanges 2a, 2b of the cantilever beams 2 and slid toward the building mainbody 1. At a position where the pent-roof unit is almost abutted to the building mainbody 1, the lower flange 2b of the cantilever beam 2 and both ends of the supporting frame 6 are joined to each other via the lower opening portion 5 of the pent-roof unit to mount the pent- roof unit on the building mainbody 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for mounting an eaves unit on a building body by supporting and fixing the eaves unit with a plurality of cantilever beams projecting from the building body.

[0002]

2. Description of the Related Art Eaves units have conventionally existed,
When installing the eaves unit on the building body, the eaves unit is lifted by a crane or the like, or a plurality of workers give the eaves unit, and the worker positions the eaves unit directly on the pillar of the building body. It has been performed by joining to a structure such as a beam with a fixing tool such as a bolt.

[0003]

However, since the eaves unit is relatively large and heavy, it can be lifted by a crane or the like and used by a plurality of workers when it is joined with a fixing tool such as a bolt. Therefore, it is difficult to accurately determine the position, and the workability is very poor. The present invention has been made in view of the above-described conventional problems, and regardless of a relatively large and heavy eaves unit, the position of the eaves unit can be easily determined, and the mounting work can be easily performed by a small number of people. It is intended to provide an eaves construction method that can be performed.

[0004]

According to the present invention, there is provided an eaves construction method according to the present invention, in which an eaves unit is inserted into a plurality of cantilever beams projecting from a building body from an open side of a back surface thereof. Insert both ends of the plurality of support frames built into the eaves unit between the upper and lower flanges of the cantilever and slide in the direction of the building body, and at the position where the eaves unit substantially abuts the building body, The eaves unit is attached to the building body by joining the lower flange and both ends of the support frame from the lower opening of the eaves unit. With such a configuration, regardless of the relatively large and heavy eaves unit, the positioning of the eaves unit can be easily performed using the cantilever beam, and the mounting work can be easily performed by a small number of people. be able to.

In addition, it is easy to adjust the mounting height of the eaves unit by inserting the thickness adjusting plate between the lower flange of the cantilever and the support frame and then joining the lower flange of the cantilever and the support frame. It is desirable because it can be.

Further, the front and both sides of the eaves unit are formed of parapets continuous in a U-shape, and after the eaves unit is attached, the eaves end of the eaves ceiling plate is supported by the horizontal support pieces of the parapets. By attaching the end of the eaves ceiling plate to the building body side to the periphery of the wall attached to the outer wall of the building body and covering the lower opening of the eaves unit with the eaves ceiling plate, the parapet constituting the eaves unit is removed. It is desirable because the eaves ceiling plate can be easily attached by using.

[0007] The edge around the wall is attached to the upper end of the lower floor outer wall that is recessed from the upper floor outer wall of the building body to which the eaves unit is mounted. By continuously covering the lower floor of the upper floor, the eaves unit and the eaves ceiling surface of the lower floor of the upper floor can be continuously finished to a beautiful appearance with a sense of unity, and the construction can be easily performed in one operation. It is desirable because it can.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view showing a state before the eaves unit 3 is attached to the building body 1, FIG. 2 is a perspective view showing a state before the eaves unit 3 is attached to the building body 1, and FIG. FIG. 2 is a longitudinal sectional view after the device is attached to a main body 1. The eaves unit 3 is inserted from the back open side 4 so as to cover a pair of cantilevers 2 projecting from the building body 1 and bolts to the cantilever 2 at predetermined positions.
The main body 1 of the building is joined by fixing members 12 such as nuts.
Is mounted on an outer wall surface 9a, for example, an upper floor outer wall surface 9a above an entrance, a service entrance, a veranda or the like.

The eaves unit 3 is a parapet 8 whose front surface and both side surfaces are continuous in a U-shape, and the upper surface is formed of a roofing material 13 having a water gradient inclined downward toward the rear side and toward the center side. On the side, the back opening part 4 described above
However, a lower surface opening 5 is formed on the lower surface side.
Further, an eave frame 14 shown in FIGS. 4A, 4B, and 4C is built therein.

The parapet 8 has a vertical plate-like outer plate 8b which has the same cross section on the front side and both side surfaces and is provided with a groove or the like in consideration of external appearance and its strength.
A roof connecting piece 8c that projects slightly toward the center of the eaves unit 3 inclining slightly downward from the upper end of the eaves unit 3 and has a downwardly bent water drainage piece 8d formed at the tip thereof, and a horizontal support that projects horizontally to the rear side from the lower end of the outer panel 8b. Piece 8a and horizontal support piece 8a
It is formed of a long eaves frame connecting piece 8e projecting to the rear side of the outer surface plate 8b slightly above. Further, the eaves frame connecting piece 8e protrudes to the rear side slightly longer than the horizontal support piece 8a.

The roofing material 13 has a slightly curved plate-like shape that is inclined downward toward the rear side and toward the center side as described above, and a drain port 13a is formed at its lowest part. The rising pieces 13b are provided on the four circumferences. A parapet in which, on the front side and both side surfaces of the roofing material 13 among the rising pieces 13b, the drainage piece 13d is further bent slightly toward the center of the eaves unit 3 from the upper end thereof and bent downward at the tip thereof. A connecting piece 13c is provided.

The roof connecting piece 8c of the parapet 8 and the parapet connecting piece 13c of the roofing material 13 are inclined downward toward the building body 1 at the same gradient, and the parapet connecting piece 13c and the draining piece 13d of the roofing material 13 By overlapping and joining the roof connecting piece 8c and the draining piece 8d of the parapet 8 from above, the parapet 8 and the roofing material 13 are firmly joined.

The eaves frame 14 is substantially formed of a channel-shaped material, and is provided on a lower surface of the roof beams 15 connected in parallel to the left and right, and a plurality of roof beams 15 connected and supported. And two left and right parapet receiving frames 16 provided on both left and right ends of the support frame 6 so as to connect the lower surfaces of the end portions of the two support frames 6, respectively. Parapet receiving frame 16
Each of the parapet receiving frames 16
Front and rear two ceiling base materials 17 provided on both front and rear ends
It is composed of

The lower the roof beam material 15, the support frame 6, the parapet receiving frame 16, and the ceiling base material 17 made of the channel material, the larger the height dimension is. In particular, since the height of the ceiling base receiving member 17 is larger than the height of the parapet receiving frame 16, the height positions of the ceiling base receiving member 17 and the upper flange of the parapet receiving frame 16 are substantially aligned, but the height of the lower flange of the ceiling base receiving member 17 is substantially the same. One is parapet receiving frame 16
Located below the lower flange. Also, the support frame 6
Is thicker and stronger than others. Further, the upper flange of the roof beam member 15 is inclined in accordance with the inclination of the roof member 13 mounted thereon so that the rear opening portion 4 side becomes lower.

The parapet receiving frame 16 is cut away at a position where the web is connected to the two support frames 6 except for the lower part thereof. In particular, since the notch reaches the end of the parapet receiving frame 16 on the side of the back opening 4, reinforcement is necessary, and the upper flange of the parapet receiving frame 16 has a reinforcing plate 18 connected to the support frame 6.
Is fixed. Also, the ceiling base material 17 is also cut off at both ends of the web except for the lower part.

The parapet 8 and the eaves frame 14 are connected directly on both sides of the parapet 8 and indirectly on the front side of the parapet 8 to form the eaves unit 3. That is, the parapet 8 and the eaves frame 14 are directly connected to each other by joining the eaves frame connecting pieces 8e on both sides of the parapet 8 with the parapet receiving frame 16 of the eaves frame 14 placed thereon (not shown). ) And eaves frame 14
By fixing the roofing material 13 on the upper surface of the plurality of roof beam materials 15 with the plywood 19 placed on the upper surface,
The parapet 8 and the eaves frame 14 are indirectly connected to each other via 3.

Next, the attachment of the eaves unit 3 to the building body 1, which is the gist of the present invention, will be described in detail. A pair of cantilever beams 2 project from the outer wall surface 9 of the building body 1 at appropriate intervals from a floor beam 20 via a metal joint 21.
The eaves unit 3 is inserted from the back opening 4 so as to cover the pair of cantilevers 2. First, the right and left ends of the support frame 6 on the side of the rear opening 4 of the two front and rear support frames 6 of the eaves unit 3 are inserted between the upper and lower flanges 2a and 2b at the tip of the cantilever 2, respectively. Then, by sliding the eaves unit 3 in the direction of the building body 1, the left and right ends of the other support frame 6 cantilever 2
Between the upper and lower flanges 2a and 2b. Further, if the eaves unit 3 is slid in the direction of the building body 1 and the eaves unit 3 is brought into contact with the outer wall surface 9 of the building body 1, the eaves unit 3 can be positioned. In this state, the eaves unit 3 is securely supported by the pair of cantilever beams 2, so that the eaves unit 3 does not move down by its own weight or the like and does not need to be directly supported by a worker or supported by a crane or the like. .

If the eaves unit 3 can be positioned,
Next, the eaves unit 3 is joined to the cantilever 2 with a fixing tool 12 such as a bolt or a nut. The joining is completed when the worker inserts his hand into the eaves unit 3 from the lower surface opening 5 of the eaves unit 3 and connects both ends of the support frame 6 and the lower flange 2b of the cantilever 2 with the fixing tool 12. . At this time, as shown in FIG. 5, if the thickness adjusting plate 7 is inserted between the lower flange 2b of the cantilever 2 and the support frame 6, the eaves unit 3
The height of the mounting can be adjusted. In addition, by changing the number of the thickness adjusting plates 7 to be inserted or preparing a plurality of types of thickness adjusting plates 7 having different thicknesses, the mounting height of the eaves unit 3 can be surely adjusted.
In addition, a hole for inserting a bolt is provided at a substantially central portion of the adjustment plate 7.

If the eaves unit 3 can be attached to the building body 1, the lower surface opening 5 is finally covered with the eaves ceiling plate 11, and the construction is completed. The base beam 22 has its upper surface covered with the eaves frame 1
4 is attached by abutting on the lower surface of the ceiling base material 17 and fixing it with screws or the like. The eaves ceiling plate 11 is attached to the lower surface of the eaves ceiling base rail 22 by abutting the upper surface. The eaves ceiling plate 11 is attached by placing the eaves side end on the horizontal support piece 8a of the parapet 8 and the end of the building body 1 side. This is done by attaching the part to a wall edge 10 attached to the outer wall 9 of the building body 1. In addition, the edge 10 around the wall
Is a wooden base material 10a attached to the outer wall surface 9.
And a receiving material 10b having a downwardly open receiving portion attached to the lower surface of the base material 10a, and a decorative material 10c having an insertion piece inserted and supported in the receiving portion of the receiving material 10b
The building body 1 of the eave ceiling plate 11 is made of a decorative material 10c.
The side ends are securely supported.

FIGS. 6 and 7 show an embodiment in which the eaves unit 3 is attached at a position where the lower-floor outer wall surface 9b is retracted from the upper-floor outer wall surface 9a of the corner portion of the building body 1 to form an entrance. . In this embodiment, the eaves unit 3
Since the device itself is attached to the building main body 1 in exactly the same construction method as in the above-described embodiment, description thereof will be omitted. If this eaves unit 3 can be attached to the building body 1, then
The lower surface opening portion 5 is covered with the eaves ceiling plate 11, but the length of one eaves ceiling plate 11 is longer than the protruding dimension of the eaves unit 3,
It is long enough to cover not only the lower surface opening 5 of the eaves unit 3 but also the upper floor lower surface of the entrance.

Hereinafter, the installation of the eave ceiling plate 11 will be described based on the construction order. First, before the eaves ceiling plate 11 is attached, the eaves ceiling base bar 22 is attached to the lower surface opening 5 of the eaves unit 3 by fixing it to the ceiling base receiving member 17 with screws or the like. Before and after the construction, the ceiling suspension tree 24 is suspended from the ceiling suspension tree receiver 23 on the lower surface of the upper floor of the entrance to support the ceiling edge 25 horizontally. An eaves ceiling base material 26 is also fixed to the lower surface of the floor beam 20 of the building body 1. Furthermore, the peripheral edge 10 is attached to the retreating lower floor outer wall surface 9b of the building body 1 except for the decorative material 10c attached after the eave ceiling plate 11 is constructed.

Next, the eaves ceiling plate 11 is attached. The eaves ceiling plate 11 has its eaves-end side end mounted on and supported by the horizontal support piece 8a of the parapet 8, and the building main body-side end is connected to the building main body. 1, the eaves ceiling plate 11 continuously covers the lower surface opening 5 of the eaves unit 3 and the lower surface of the upper floor of the entrance. The installation of the eaves ceiling panel 11
Since the above-described support of the eaves-side end and the building body-side end is not sufficient, it is fixed to the ceiling base receiving material 17, the ceiling edge 25, and the eaves ceiling base material 26 at the middle part. Reference numeral 27 denotes a rain gutter which penetrates through the inside of the eaves unit 3 from a drain port 13a provided in the roof 13 of the eaves unit 3 and which rains down or falls on the roof 13 of the eaves unit 3. Drain etc.

[0023]

According to the first aspect of the present invention, an eaves unit is inserted into a plurality of cantilever beams projecting from a building body from an open side of a back surface thereof, and a plurality of eaves units built in the eaves unit are provided. Insert both ends of the support frame between the upper and lower flanges of the cantilever and slide in the direction of the building body.At the position where the eaves unit is almost in contact with the building body, remove the lower flange of the cantilever and both ends of the support frame. Since the eaves unit is attached to the building body by joining from the lower opening of the eaves unit, regardless of whether the eaves unit is relatively large and heavy, the position of the eaves unit uses a cantilever. And installation can be easily performed by a small number of people.

According to the second aspect of the present invention, after the thickness adjusting plate is inserted between the lower flange of the cantilever and the support frame, the lower flange of the cantilever and the support frame are joined. The feature makes it easy to adjust the mounting height of the eaves unit.

Further, in the invention according to claim 3,
The front and both sides of the eaves unit are composed of parapets that are continuous in a U-shape.After the eaves unit is attached, the eaves ceiling side end of the eaves ceiling plate is supported by the horizontal support pieces of the parapet, and the eaves ceiling plate is The parapets that make up the eaves unit are used, since the end of the building main body is attached to the periphery of the wall attached to the outer wall of the building main body, and the lower opening of the eaves unit is covered with the eaves ceiling plate. Can easily attach the eaves ceiling panel.

In the invention according to claim 4, the edge around the wall is attached to an upper end portion of a lower floor outer wall surface retreated from an upper floor outer wall surface of the building body to which the eaves unit is mounted, The eaves ceiling plate is characterized by continuously covering the lower opening of the eaves unit and the lower surface of the upper floor, so that the eaves unit and the eaves ceiling of the lower surface of the upper floor are continuously finished with a beautiful appearance with a sense of unity. And the construction can be easily performed in a single operation.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view illustrating a state before an eaves unit according to an embodiment of the present invention is attached to a building body.

FIG. 2 is a perspective view showing a state before the eaves unit is attached to a building body.

FIG. 3 is a longitudinal sectional view showing a state after the eaves unit is attached to a building body.

FIG. 4 shows an eaves frame, wherein (a) is a plan view,
(B) is a front view, (c) is a side view.

FIG. 5 is an enlarged longitudinal sectional view of a main part showing a state where an eaves unit is attached via a thickness adjusting plate.

FIG. 6 is a schematic cross-sectional view showing another embodiment of the present invention.

FIG. 7 is a longitudinal sectional view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building main body 2 Cantilever 2a Upper flange 2b Lower flange 3 Eaves unit 4 Back opening part 5 Bottom opening part 6 Support frame 7 Thickness adjustment plate 8 Parapet 8a Horizontal support piece 9 Outer wall surface 9a Upper outer wall surface 9b Lower outer wall surface 10 Edge around the wall 12 Ceiling board

Claims (4)

[Claims] 1. An eaves unit is inserted into a plurality of cantilever beams projecting from a building body from an open side of a back surface thereof, and both ends of a plurality of support frames built in the eaves unit are vertically moved up and down. Insert between the flanges and slide in the direction of the building main body. At the position where the eaves unit is substantially in contact with the building main body, the lower flange of the cantilever and both ends of the support frame are joined from the lower opening of the eaves unit to form the eaves An eaves construction method comprising attaching a unit to a building body. 2. The method according to claim 1, further comprising: inserting a thickness adjusting plate between the lower flange of the cantilever and the support frame, and then joining the lower flange of the cantilever and the support frame.
The eaves construction method described. 3. A front face and both side faces of the eaves unit are formed of parapets continuous in a U-shape. After the eaves unit is attached, the eaves end side of the eaves ceiling plate is supported by the horizontal support pieces of the parapets. 3. The eaves ceiling panel is attached to an edge of a wall attached to an outer wall surface of the building main body at an end of the eaves ceiling panel, and an opening at the lower surface of the eaves unit is covered with the eaves ceiling panel. Eaves construction method. 4. A wall edge is attached to an upper end portion of a lower floor outer wall surface retreated from an upper floor outer wall surface of a building body to which the eaves unit is attached, and the eave ceiling plate is connected to a lower surface opening of the eaves unit. The eaves construction method according to claim 3, wherein the lower surface of the upper floor is continuously covered.